Invisible Illness Chiari Malformation Purple Ribbon - Adult Hoodie Printed to order in USA by professional printers. Ignore any Chinese sellers' bad fake imitations If unsure on sizing, order larger for a good fit. Guaranteed not to wash off or fade. Sizing to 5XL!! Chest width (inches): S=20; M=22; L=24; XL=26; 2XL=28; 3XL=30; 4XL=32; 5XL=34 Tee Foundry is an Amazon Registered Brand. 50/50 Polyester/Cotton blend for warmth and comfort Tee Foundry are the only authorized seller, to ensure sizing matches and quality guarantees